Door latch



FIG. 1 is a front elevational view of a door latch showing our new design;

FIG. 2 is a front and left side perspective view thereof; and,

FIG. 3 is front and right side perspective view thereof.

The broken lines showing an appliance is included for the purpose of illustrating environment and forms no part of the claimed design. 

The ornamental design for a door latch, as shown and described. 